Leaving behind a womanizing father-in-law and a wife who can't say no, she has to go on a three-day, two-night business trip... (Oka Erina JUL-264)

My wife, Erina, is too trusting and easily deceived, giving me a daily headache. I'm filled with anxiety as I'm leaving on a business trip tomorrow, because it will leave my wife alone at home with my lecherous father-in-law...